CIRCUIT ARRANGEMENT FOR SUPPRESSING EXTERNAL RADIO NOISE SIGNALS IN MOBILE CODE-DIVISION MULTIPLE ACCESS TELEPHONE SET Russian patent published in 2003 - IPC

Abstract RU 2197777 C2

FIELD: radio engineering; code division communication systems. SUBSTANCE: damping device is proposed, for example, to be used to depress at least one external radio noise signal such as that coming from base station of modified mobile telephone services. Provision is made for connecting several mentioned damping devices in particular at input of low-noise amplifier and for selecting adequate damping device by means of signal arriving from control voltage generator controlled by radio noise detector. EFFECT: enhanced reliability of external radio noise; improved quality of communications. 14 cl, 9 dwg

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RU 2 197 777 C2

Authors

Cho Sun

Dates

2003-01-27—Published

1997-09-19—Filed